Home / 196,185.76-294,234.78-90,991.06

Finding the Fourth Proportional to 196,185.76, 294,234.78 and 90,991.06

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Solution

The fourth proportional to 196,185.76, 294,234.78 and 90,991.06 is: 136,466.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,185.76 : 294,234.78 = 90,991.06 : x
  2. Step 2: Convert to fraction form
    196,185.76/294,234.78 = 90,991.06/x
  3. Step 3: Cross multiply
    196,185.76x = 294,234.78 × 90,991.06
  4. Step 4: Simplify right side
    196,185.76x = 26,772,734,521.07
  5. Step 5: Solve for x
    x = 26,772,734,521.07/196,185.76
  6. Step 6: Final answer
    x = 136,466.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.